CN203640043U

CN203640043U - Sleeve-type Venturi siphon blow-off pipe

Info

Publication number: CN203640043U
Application number: CN201320873724.8U
Authority: CN
Inventors: 王亮; 高洪东
Original assignee: CONNELL CHEMICAL INDUSTRY Co Ltd
Current assignee: CONNELL CHEMICAL INDUSTRY Co Ltd
Priority date: 2013-12-29
Filing date: 2013-12-29
Publication date: 2014-06-11
Anticipated expiration: 2023-12-29

Abstract

A sleeve-type Venturi siphon blow-off pipe is characterized in that the blow-off pipe comprises a siphon, an air communication valve, an injection pipe and a water replenishing valve, the water diving end and a water drain port of the siphon are immersed below the water level of a water collection pool and the water level of a blow-off well, the highest point of the siphon is connected with the air communication valve in a sealed mode, and a diameter change segment is arranged above the water drain port; a diameter change head fixedly connected with the injection pipe to form a whole is arranged at one end of the injection pipe, the other end of the injection pipe is connected with a first set of circulating water return branch pipes through the water replenishing valve in a sealed mode, and the injection pipe stretches into the siphon. When the blow-off pipe is used, the water diving end and the water drain port of the siphon are immersed into water below the water level of the water collection pool and water below the water level of the blow-off well respectively, the water replenishing valve is opened so that circulating water can be injected into the injection pipe, while the circulating water in the injection pipe flows into the blow-off well, air in the siphon is also emptied, and thus the siphoning effect can be automatically generated to drain water. The siphoning can be stopped when air enters the siphon. The sleeve-type Venturi siphon blow-off pipe is also suitable for occasions on which water surface pollutants need to be blown off, the water outlet end and the water drain port are both immersed below the water level and the injection pipe needs to be replenished with water.

Description

Bushing type venturi siphon blowing pipe

Technical field

The utility model relates to chemical industry equipment, is a kind of for discharging the bushing type venturi siphon blowing pipe of collecting-tank water surface dirt.

Background technology

Reclaimed water system has one deck foundry loam to float on the collecting-tank water surface after sterilizing peel-off, this part foundry loam is as discharged not in time displacement, can get back to again reclaimed water system, reduce bactericidal effect, common Circulating water effluent point is all in collecting-tank bottom, therefore, displace this part dirt and will arrange in a large number benefit clear water, the waste water yield.

The circulating water sterilizing blowdown of prior art has five kinds of forms:

1, in collecting-tank, add bleed off pipe separately in the expenditure blowdown of collecting-tank bottom, do not add valve.The problem existing is: the bleed off pipe being arranged on 1), separately in collecting-tank can only arrange in the time of collecting-tank interior construction, cannot in the time that reclaimed water system is moved, transform; 2), owing to there is no valve, can Auto-drainage during higher than overfall at collecting-tank water level, wayward water discharge time;

2, in collecting-tank, add bleed off pipe and be connected with bottom blow-down pipe.The problem existing is 1), the bleed off pipe that is arranged in collecting-tank can only arrange in the time of collecting-tank interior construction, cannot in the time that reclaimed water system is moved, transform; 2), because raw sewage disposal tube valve is larger at collecting-tank outlet at bottom and caliber, controlled valve is cumbersome;

3, on collecting-tank pool wall, punch, increase overfall, do not add valve.The problem existing is: 1) transformation difficulty is larger, need on cement pool wall, construct, thereby destroy pool wall original structure and anticorrosion; 2) owing to there is no valve, can Auto-drainage during higher than overfall at collecting-tank water level, wayward water discharge time;

4, on collecting-tank pool wall, punch, increase overfall, add valve.The problem existing is: 1) transformation difficulty is larger, need on cement pool wall, construct, thereby destroy pool wall original structure and anticorrosion; 2), the larger controlled valve of valve caliber is cumbersome;

5, do not add bleed off pipe, directly at bottom blow-down.The problem existing is: 1) after sterilizing peel-off, foam cannot be discharged in time, and labor cleaning's intensity is large, as labor cleaning can cause change of water quality fluctuation not in time; 2), blowing time is long after sterilizing peel-off, displacement is large, waste moisturizing.

Summary of the invention

Technical problem to be solved in the utility model is: the shortcoming that overcomes prior art, a kind of simple in structure and low in cost, switch convenience, the significant bushing type venturi of effect siphon blowing pipe are provided, can directly discharge the dirt floating on the surface, reduce the rate of water make-up after sterilizing peel-off and prevent that dirt secondary cycle from entering system.

The scheme of the utility model technical solution problem is: a kind of bushing type venturi siphon blowing pipe, it is characterized in that: it comprises syphon, air communication valve, playpipe and water compensating valve, described syphon is sinuous coil, siphonal water intake end is that the horn mouth, the outfall that immerse below the collecting-tank water surface immerse below the water surface of sewage well, at the siphonal peak air communication valve that is tightly connected, above siphonal outfall, reducer is set; Described playpipe one end is provided with the reducing head, the other end that are fixed with one and is tightly connected by water compensating valve and first group of return branch of recirculated water, playpipe stretches in syphon between siphonal peak and reducer, the reducing head of playpipe is positioned at the top of siphonal reducer, and tube wall and the syphon of playpipe are tightly connected.

The utility model bushing type venturi siphon blowing pipe, the circulating water flow in playpipe after reducing head flow velocity increase and pressure energy reduces, thereby produce negative pressure in the both sides of playpipe and start to inhale the air in syphon, same venturi principle, because horn mouth and the delivery port of syphon water intake end are all immersed in collecting-tank water level and the water below sewage well water level, therefore, automatic generation siphon drainage after the air in syphon blots, the communicating valve that now can close playpipe and first group of return branch of recirculated water, siphon can not stop; Need to stop siphon time, make air enter syphon, the horn mouth of syphon water intake end has strengthened the area of water inlet, is beneficial to floating pollutant on the water surface and enters syphon.When use, horn mouth and the outfall of syphon water intake end are immersed respectively in collecting-tank water level and the water below sewage well water level, the water compensating valve of opening playpipe injects recirculated water in playpipe, when recirculated water in playpipe flows into sewage well, also the air in emptying syphon, thereby automatically generate siphon drainage, close afterwards water compensating valve.Need to stop siphon time, open the air communication valve of syphon peak, can automatically stop siphon because air enters, or make more than the horn mouth of syphon water intake end exceeds collecting-tank water level, also can stop siphon.Have simple in structure, with low cost, switch convenient, control freely, the significant advantage of effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model bushing type venturi siphon blowing pipe;

Fig. 2 is the local enlarged diagram of Fig. 1

Fig. 3 is that schematic diagram is moved towards in the recirculated water siphon blowdown of the utility model bushing type venturi siphon blowing pipe;

Fig. 4 is the structural representation of embodiment.

In figure: 1 collecting-tank water level, 2 horn mouths, 3 syphons, 4 air communication valves, 5 playpipes, 6 sewage well water levels, 7 outfall, 8 reducers, 9 reducing heads, 10 water compensating valves, 11 first group of recirculated water return branch.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

With reference to Fig. 1～Fig. 4, bushing type venturi siphon blowing pipe of the present utility model, it comprises syphon 3, air communication valve 4, playpipe 5 and water compensating valve 10, described syphon 3 is sinuous coil, the water intake end of syphon 3 is to immerse horn mouth 2 below 1 of collecting-tank water level, water level that outfall 7 immerses sewage well below 7, at the peak of the syphon 3 air communication valve 4 that is tightly connected, above the outfall 7 of syphon 3, reducer 8 is set; Described playpipe 5 one end are provided with the reducing head 9, the other end that are fixed with one and are tightly connected by water compensating valve 10 and first group of return branch 11 of recirculated water, playpipe 5 stretches in syphon 3 between the peak of syphon 3 and reducer 8, the reducing head 9 of playpipe 5 is positioned at the top of the reducer 8 of syphon 3, and the tube wall of playpipe 5 and syphon 3 are tightly connected.The commercially available prod that described air communication valve 4 and water compensating valve 10 are prior art.

With reference to Fig. 4, the bushing type venturi siphon blowing pipe of the present embodiment, because syphon 3 water inlets and delivery port are all immersed in collecting-tank water level 1 and the water of sewage well water level below 6, therefore, automatic generation siphon drainage after the air in syphon 3 blots, the communicating valve that now can close playpipe 5 and first group of return branch 11 of recirculated water, siphon can not stop; Need to stop siphon time, make air enter syphon 3, the horn mouth 2 of syphon 3 water intake ends has strengthened the area of water inlet, is beneficial to floating pollutant on the water surface and enters syphon 3.When use, horn mouth 2 and the outfall 7 of syphon 3 water intake ends are immersed respectively in collecting-tank water level 1 and the water of sewage well water level below 6, open the water compensating valve 10 of playpipe 5 toward the interior injection recirculated water of playpipe 5, when recirculated water in playpipe 5 flows into sewage well, also the air in emptying syphon 3, thereby automatically generate siphon drainage, close afterwards water compensating valve 10.Need to stop siphon time, open the air communication valve 4 of syphon 3 peaks, can automatically stop siphon because air enters, or make the horn mouth 2 of syphon 3 water intake ends exceed collecting-tank water level 1, also can stop siphon.Have simple in structure, with low cost, switch convenient, control freely, the significant advantage of effect.

The utility model is not only for the discharge of collecting-tank water surface dirt after reclaimed water system sterilizing peel-off, also applicable to discharging water surface dirt and possess water side and occasion that outfall all immerses the following and required make-up water source of playpipe of water level.

Claims

1. a bushing type venturi siphon blowing pipe, it is characterized in that: it comprises syphon, air communication valve, playpipe and water compensating valve, described syphon is sinuous coil, siphonal water intake end is that the horn mouth, the outfall that immerse below the collecting-tank water surface immerse below the water surface of sewage well, at the siphonal peak air communication valve that is tightly connected, above siphonal outfall, reducer is set; Described playpipe one end is provided with the reducing head, the other end that are fixed with one and is tightly connected by water compensating valve and first group of return branch of recirculated water, playpipe stretches in syphon between siphonal peak and reducer, the reducing head of playpipe is positioned at the top of siphonal reducer, and tube wall and the syphon of playpipe are tightly connected.